86118693526 has 4 divisors (see below), whose sum is σ = 129178040292. Its totient is φ = 43059346762.

The previous prime is 86118693511. The next prime is 86118693527. The reversal of 86118693526 is 62539681168.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×86118693526² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86118693527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21529673380 + ... + 21529673383.

It is an arithmetic number, because the mean of its divisors is an integer number (32294510073).

Almost surely, 2^86118693526 is an apocalyptic number.

86118693526 is a deficient number, since it is larger than the sum of its proper divisors (43059346766).

86118693526 is a wasteful number, since it uses less digits than its factorization.

86118693526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43059346765.

The product of its digits is 3732480, while the sum is 55.

The spelling of 86118693526 in words is "eighty-six billion, one hundred eighteen million, six hundred ninety-three thousand, five hundred twenty-six".